NORTHWEST MIAMI-DADE, FLA. (WSVN) - A parent is speaking out after, she said, her 6-year-old son was left behind by the school bus after a<a class="excerpt-read-more" href="https://wsvn.com/news/local/miami-dade/mother-speaks-out-after-6-year-old-son-was-left-behind-by-school-bus-after-field-trip-to-youth-fair/">Read More</a>